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1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #define LOG_TAG "Camera3-HeicCompositeStream"
18 #define ATRACE_TAG ATRACE_TAG_CAMERA
19 #define ALIGN(x, mask) ( ((x) + (mask) - 1) & ~((mask) - 1) )
20 //#define LOG_NDEBUG 0
21 
22 #include <linux/memfd.h>
23 #include <pthread.h>
24 #include <sys/syscall.h>
25 
26 #include <android/hardware/camera/device/3.5/types.h>
27 #include <libyuv.h>
28 #include <gui/Surface.h>
29 #include <utils/Log.h>
30 #include <utils/Trace.h>
31 
32 #include <mediadrm/ICrypto.h>
33 #include <media/MediaCodecBuffer.h>
34 #include <media/stagefright/foundation/ABuffer.h>
35 #include <media/stagefright/foundation/MediaDefs.h>
36 #include <media/stagefright/MediaCodecConstants.h>
37 
38 #include "common/CameraDeviceBase.h"
39 #include "utils/ExifUtils.h"
40 #include "utils/SessionConfigurationUtils.h"
41 #include "HeicEncoderInfoManager.h"
42 #include "HeicCompositeStream.h"
43 
44 using android::hardware::camera::device::V3_5::CameraBlob;
45 using android::hardware::camera::device::V3_5::CameraBlobId;
46 
47 namespace android {
48 namespace camera3 {
49 
HeicCompositeStream(sp<CameraDeviceBase> device,wp<hardware::camera2::ICameraDeviceCallbacks> cb)50 HeicCompositeStream::HeicCompositeStream(sp<CameraDeviceBase> device,
51         wp<hardware::camera2::ICameraDeviceCallbacks> cb) :
52         CompositeStream(device, cb),
53         mUseHeic(false),
54         mNumOutputTiles(1),
55         mOutputWidth(0),
56         mOutputHeight(0),
57         mMaxHeicBufferSize(0),
58         mGridWidth(HeicEncoderInfoManager::kGridWidth),
59         mGridHeight(HeicEncoderInfoManager::kGridHeight),
60         mGridRows(1),
61         mGridCols(1),
62         mUseGrid(false),
63         mAppSegmentStreamId(-1),
64         mAppSegmentSurfaceId(-1),
65         mMainImageStreamId(-1),
66         mMainImageSurfaceId(-1),
67         mYuvBufferAcquired(false),
68         mProducerListener(new ProducerListener()),
69         mDequeuedOutputBufferCnt(0),
70         mCodecOutputCounter(0),
71         mQuality(-1),
72         mGridTimestampUs(0),
73         mStatusId(StatusTracker::NO_STATUS_ID) {
74 }
75 
~HeicCompositeStream()76 HeicCompositeStream::~HeicCompositeStream() {
77     // Call deinitCodec in case stream hasn't been deleted yet to avoid any
78     // memory/resource leak.
79     deinitCodec();
80 
81     mInputAppSegmentBuffers.clear();
82     mCodecOutputBuffers.clear();
83 
84     mAppSegmentStreamId = -1;
85     mAppSegmentSurfaceId = -1;
86     mAppSegmentConsumer.clear();
87     mAppSegmentSurface.clear();
88 
89     mMainImageStreamId = -1;
90     mMainImageSurfaceId = -1;
91     mMainImageConsumer.clear();
92     mMainImageSurface.clear();
93 }
94 
isHeicCompositeStream(const sp<Surface> & surface)95 bool HeicCompositeStream::isHeicCompositeStream(const sp<Surface> &surface) {
96     ANativeWindow *anw = surface.get();
97     status_t err;
98     int format;
99     if ((err = anw->query(anw, NATIVE_WINDOW_FORMAT, &format)) != OK) {
100         String8 msg = String8::format("Failed to query Surface format: %s (%d)", strerror(-err),
101                 err);
102         ALOGE("%s: %s", __FUNCTION__, msg.string());
103         return false;
104     }
105 
106     int dataspace;
107     if ((err = anw->query(anw, NATIVE_WINDOW_DEFAULT_DATASPACE, &dataspace)) != OK) {
108         String8 msg = String8::format("Failed to query Surface dataspace: %s (%d)", strerror(-err),
109                 err);
110         ALOGE("%s: %s", __FUNCTION__, msg.string());
111         return false;
112     }
113 
114     return ((format == HAL_PIXEL_FORMAT_BLOB) && (dataspace == HAL_DATASPACE_HEIF));
115 }
116 
createInternalStreams(const std::vector<sp<Surface>> & consumers,bool,uint32_t width,uint32_t height,int format,camera_stream_rotation_t rotation,int * id,const String8 & physicalCameraId,const std::unordered_set<int32_t> & sensorPixelModesUsed,std::vector<int> * surfaceIds,int,bool)117 status_t HeicCompositeStream::createInternalStreams(const std::vector<sp<Surface>>& consumers,
118         bool /*hasDeferredConsumer*/, uint32_t width, uint32_t height, int format,
119         camera_stream_rotation_t rotation, int *id, const String8& physicalCameraId,
120         const std::unordered_set<int32_t> &sensorPixelModesUsed,
121         std::vector<int> *surfaceIds,
122         int /*streamSetId*/, bool /*isShared*/) {
123 
124     sp<CameraDeviceBase> device = mDevice.promote();
125     if (!device.get()) {
126         ALOGE("%s: Invalid camera device!", __FUNCTION__);
127         return NO_INIT;
128     }
129 
130     status_t res = initializeCodec(width, height, device);
131     if (res != OK) {
132         ALOGE("%s: Failed to initialize HEIC/HEVC codec: %s (%d)",
133                 __FUNCTION__, strerror(-res), res);
134         return NO_INIT;
135     }
136 
137     sp<IGraphicBufferProducer> producer;
138     sp<IGraphicBufferConsumer> consumer;
139     BufferQueue::createBufferQueue(&producer, &consumer);
140     mAppSegmentConsumer = new CpuConsumer(consumer, kMaxAcquiredAppSegment);
141     mAppSegmentConsumer->setFrameAvailableListener(this);
142     mAppSegmentConsumer->setName(String8("Camera3-HeicComposite-AppSegmentStream"));
143     mAppSegmentSurface = new Surface(producer);
144 
145     mStaticInfo = device->info();
146 
147     res = device->createStream(mAppSegmentSurface, mAppSegmentMaxSize, 1, format,
148             kAppSegmentDataSpace, rotation, &mAppSegmentStreamId, physicalCameraId,
149             sensorPixelModesUsed,surfaceIds);
150     if (res == OK) {
151         mAppSegmentSurfaceId = (*surfaceIds)[0];
152     } else {
153         ALOGE("%s: Failed to create JPEG App segment stream: %s (%d)", __FUNCTION__,
154                 strerror(-res), res);
155         return res;
156     }
157 
158     if (!mUseGrid) {
159         res = mCodec->createInputSurface(&producer);
160         if (res != OK) {
161             ALOGE("%s: Failed to create input surface for Heic codec: %s (%d)",
162                     __FUNCTION__, strerror(-res), res);
163             return res;
164         }
165     } else {
166         BufferQueue::createBufferQueue(&producer, &consumer);
167         mMainImageConsumer = new CpuConsumer(consumer, 1);
168         mMainImageConsumer->setFrameAvailableListener(this);
169         mMainImageConsumer->setName(String8("Camera3-HeicComposite-HevcInputYUVStream"));
170     }
171     mMainImageSurface = new Surface(producer);
172 
173     res = mCodec->start();
174     if (res != OK) {
175         ALOGE("%s: Failed to start codec: %s (%d)", __FUNCTION__,
176                 strerror(-res), res);
177         return res;
178     }
179 
180     std::vector<int> sourceSurfaceId;
181     //Use YUV_888 format if framework tiling is needed.
182     int srcStreamFmt = mUseGrid ? HAL_PIXEL_FORMAT_YCbCr_420_888 :
183             HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
184     res = device->createStream(mMainImageSurface, width, height, srcStreamFmt, kHeifDataSpace,
185             rotation, id, physicalCameraId, sensorPixelModesUsed, &sourceSurfaceId);
186     if (res == OK) {
187         mMainImageSurfaceId = sourceSurfaceId[0];
188         mMainImageStreamId = *id;
189     } else {
190         ALOGE("%s: Failed to create main image stream: %s (%d)", __FUNCTION__,
191                 strerror(-res), res);
192         return res;
193     }
194 
195     mOutputSurface = consumers[0];
196     res = registerCompositeStreamListener(mMainImageStreamId);
197     if (res != OK) {
198         ALOGE("%s: Failed to register HAL main image stream: %s (%d)", __FUNCTION__,
199                 strerror(-res), res);
200         return res;
201     }
202 
203     res = registerCompositeStreamListener(mAppSegmentStreamId);
204     if (res != OK) {
205         ALOGE("%s: Failed to register HAL app segment stream: %s (%d)", __FUNCTION__,
206                 strerror(-res), res);
207         return res;
208     }
209 
210     initCopyRowFunction(width);
211     return res;
212 }
213 
deleteInternalStreams()214 status_t HeicCompositeStream::deleteInternalStreams() {
215     requestExit();
216     auto res = join();
217     if (res != OK) {
218         ALOGE("%s: Failed to join with the main processing thread: %s (%d)", __FUNCTION__,
219                 strerror(-res), res);
220     }
221 
222     deinitCodec();
223 
224     if (mAppSegmentStreamId >= 0) {
225         // Camera devices may not be valid after switching to offline mode.
226         // In this case, all offline streams including internal composite streams
227         // are managed and released by the offline session.
228         sp<CameraDeviceBase> device = mDevice.promote();
229         if (device.get() != nullptr) {
230             res = device->deleteStream(mAppSegmentStreamId);
231         }
232 
233         mAppSegmentStreamId = -1;
234     }
235 
236     if (mOutputSurface != nullptr) {
237         mOutputSurface->disconnect(NATIVE_WINDOW_API_CAMERA);
238         mOutputSurface.clear();
239     }
240 
241     sp<StatusTracker> statusTracker = mStatusTracker.promote();
242     if (statusTracker != nullptr && mStatusId != StatusTracker::NO_STATUS_ID) {
243         statusTracker->removeComponent(mStatusId);
244         mStatusId = StatusTracker::NO_STATUS_ID;
245     }
246 
247     if (mPendingInputFrames.size() > 0) {
248         ALOGW("%s: mPendingInputFrames has %zu stale entries",
249                 __FUNCTION__, mPendingInputFrames.size());
250         mPendingInputFrames.clear();
251     }
252 
253     return res;
254 }
255 
onBufferReleased(const BufferInfo & bufferInfo)256 void HeicCompositeStream::onBufferReleased(const BufferInfo& bufferInfo) {
257     Mutex::Autolock l(mMutex);
258 
259     if (bufferInfo.mError) return;
260 
261     if (bufferInfo.mStreamId == mMainImageStreamId) {
262         mMainImageFrameNumbers.push(bufferInfo.mFrameNumber);
263         mCodecOutputBufferFrameNumbers.push(bufferInfo.mFrameNumber);
264         ALOGV("%s: [%" PRId64 "]: Adding main image frame number (%zu frame numbers in total)",
265                 __FUNCTION__, bufferInfo.mFrameNumber, mMainImageFrameNumbers.size());
266     } else if (bufferInfo.mStreamId == mAppSegmentStreamId) {
267         mAppSegmentFrameNumbers.push(bufferInfo.mFrameNumber);
268         ALOGV("%s: [%" PRId64 "]: Adding app segment frame number (%zu frame numbers in total)",
269                 __FUNCTION__, bufferInfo.mFrameNumber, mAppSegmentFrameNumbers.size());
270     }
271 }
272 
273 // We need to get the settings early to handle the case where the codec output
274 // arrives earlier than result metadata.
onBufferRequestForFrameNumber(uint64_t frameNumber,int streamId,const CameraMetadata & settings)275 void HeicCompositeStream::onBufferRequestForFrameNumber(uint64_t frameNumber, int streamId,
276         const CameraMetadata& settings) {
277     ATRACE_ASYNC_BEGIN("HEIC capture", frameNumber);
278 
279     Mutex::Autolock l(mMutex);
280     if (mErrorState || (streamId != getStreamId())) {
281         return;
282     }
283 
284     mPendingCaptureResults.emplace(frameNumber, CameraMetadata());
285 
286     camera_metadata_ro_entry entry;
287 
288     int32_t orientation = 0;
289     entry = settings.find(ANDROID_JPEG_ORIENTATION);
290     if (entry.count == 1) {
291         orientation = entry.data.i32[0];
292     }
293 
294     int32_t quality = kDefaultJpegQuality;
295     entry = settings.find(ANDROID_JPEG_QUALITY);
296     if (entry.count == 1) {
297         quality = entry.data.i32[0];
298     }
299 
300     mSettingsByFrameNumber[frameNumber] = {orientation, quality};
301 }
302 
onFrameAvailable(const BufferItem & item)303 void HeicCompositeStream::onFrameAvailable(const BufferItem& item) {
304     if (item.mDataSpace == static_cast<android_dataspace>(kAppSegmentDataSpace)) {
305         ALOGV("%s: JPEG APP segments buffer with ts: %" PRIu64 " ms. arrived!",
306                 __func__, ns2ms(item.mTimestamp));
307 
308         Mutex::Autolock l(mMutex);
309         if (!mErrorState) {
310             mInputAppSegmentBuffers.push_back(item.mTimestamp);
311             mInputReadyCondition.signal();
312         }
313     } else if (item.mDataSpace == kHeifDataSpace) {
314         ALOGV("%s: YUV_888 buffer with ts: %" PRIu64 " ms. arrived!",
315                 __func__, ns2ms(item.mTimestamp));
316 
317         Mutex::Autolock l(mMutex);
318         if (!mUseGrid) {
319             ALOGE("%s: YUV_888 internal stream is only supported for HEVC tiling",
320                     __FUNCTION__);
321             return;
322         }
323         if (!mErrorState) {
324             mInputYuvBuffers.push_back(item.mTimestamp);
325             mInputReadyCondition.signal();
326         }
327     } else {
328         ALOGE("%s: Unexpected data space: 0x%x", __FUNCTION__, item.mDataSpace);
329     }
330 }
331 
getCompositeStreamInfo(const OutputStreamInfo & streamInfo,const CameraMetadata & ch,std::vector<OutputStreamInfo> * compositeOutput)332 status_t HeicCompositeStream::getCompositeStreamInfo(const OutputStreamInfo &streamInfo,
333             const CameraMetadata& ch, std::vector<OutputStreamInfo>* compositeOutput /*out*/) {
334     if (compositeOutput == nullptr) {
335         return BAD_VALUE;
336     }
337 
338     compositeOutput->clear();
339 
340     bool useGrid, useHeic;
341     bool isSizeSupported = isSizeSupportedByHeifEncoder(
342             streamInfo.width, streamInfo.height, &useHeic, &useGrid, nullptr);
343     if (!isSizeSupported) {
344         // Size is not supported by either encoder.
345         return OK;
346     }
347 
348     compositeOutput->insert(compositeOutput->end(), 2, streamInfo);
349 
350     // JPEG APPS segments Blob stream info
351     (*compositeOutput)[0].width = calcAppSegmentMaxSize(ch);
352     (*compositeOutput)[0].height = 1;
353     (*compositeOutput)[0].format = HAL_PIXEL_FORMAT_BLOB;
354     (*compositeOutput)[0].dataSpace = kAppSegmentDataSpace;
355     (*compositeOutput)[0].consumerUsage = GRALLOC_USAGE_SW_READ_OFTEN;
356 
357     // YUV/IMPLEMENTATION_DEFINED stream info
358     (*compositeOutput)[1].width = streamInfo.width;
359     (*compositeOutput)[1].height = streamInfo.height;
360     (*compositeOutput)[1].format = useGrid ? HAL_PIXEL_FORMAT_YCbCr_420_888 :
361             HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
362     (*compositeOutput)[1].dataSpace = kHeifDataSpace;
363     (*compositeOutput)[1].consumerUsage = useHeic ? GRALLOC_USAGE_HW_IMAGE_ENCODER :
364             useGrid ? GRALLOC_USAGE_SW_READ_OFTEN : GRALLOC_USAGE_HW_VIDEO_ENCODER;
365 
366     return NO_ERROR;
367 }
368 
isSizeSupportedByHeifEncoder(int32_t width,int32_t height,bool * useHeic,bool * useGrid,int64_t * stall,AString * hevcName)369 bool HeicCompositeStream::isSizeSupportedByHeifEncoder(int32_t width, int32_t height,
370         bool* useHeic, bool* useGrid, int64_t* stall, AString* hevcName) {
371     static HeicEncoderInfoManager& heicManager = HeicEncoderInfoManager::getInstance();
372     return heicManager.isSizeSupported(width, height, useHeic, useGrid, stall, hevcName);
373 }
374 
isInMemoryTempFileSupported()375 bool HeicCompositeStream::isInMemoryTempFileSupported() {
376     int memfd = syscall(__NR_memfd_create, "HEIF-try-memfd", MFD_CLOEXEC);
377     if (memfd == -1) {
378         if (errno != ENOSYS) {
379             ALOGE("%s: Failed to create tmpfs file. errno %d", __FUNCTION__, errno);
380         }
381         return false;
382     }
383     close(memfd);
384     return true;
385 }
386 
onHeicOutputFrameAvailable(const CodecOutputBufferInfo & outputBufferInfo)387 void HeicCompositeStream::onHeicOutputFrameAvailable(
388         const CodecOutputBufferInfo& outputBufferInfo) {
389     Mutex::Autolock l(mMutex);
390 
391     ALOGV("%s: index %d, offset %d, size %d, time %" PRId64 ", flags 0x%x",
392             __FUNCTION__, outputBufferInfo.index, outputBufferInfo.offset,
393             outputBufferInfo.size, outputBufferInfo.timeUs, outputBufferInfo.flags);
394 
395     if (!mErrorState) {
396         if ((outputBufferInfo.size > 0) &&
397                 ((outputBufferInfo.flags & MediaCodec::BUFFER_FLAG_CODECCONFIG) == 0)) {
398             mCodecOutputBuffers.push_back(outputBufferInfo);
399             mInputReadyCondition.signal();
400         } else {
401             ALOGV("%s: Releasing output buffer: size %d flags: 0x%x ", __FUNCTION__,
402                 outputBufferInfo.size, outputBufferInfo.flags);
403             mCodec->releaseOutputBuffer(outputBufferInfo.index);
404         }
405     } else {
406         mCodec->releaseOutputBuffer(outputBufferInfo.index);
407     }
408 }
409 
onHeicInputFrameAvailable(int32_t index)410 void HeicCompositeStream::onHeicInputFrameAvailable(int32_t index) {
411     Mutex::Autolock l(mMutex);
412 
413     if (!mUseGrid) {
414         ALOGE("%s: Codec YUV input mode must only be used for Hevc tiling mode", __FUNCTION__);
415         return;
416     }
417 
418     mCodecInputBuffers.push_back(index);
419     mInputReadyCondition.signal();
420 }
421 
onHeicFormatChanged(sp<AMessage> & newFormat)422 void HeicCompositeStream::onHeicFormatChanged(sp<AMessage>& newFormat) {
423     if (newFormat == nullptr) {
424         ALOGE("%s: newFormat must not be null!", __FUNCTION__);
425         return;
426     }
427 
428     Mutex::Autolock l(mMutex);
429 
430     AString mime;
431     AString mimeHeic(MIMETYPE_IMAGE_ANDROID_HEIC);
432     newFormat->findString(KEY_MIME, &mime);
433     if (mime != mimeHeic) {
434         // For HEVC codec, below keys need to be filled out or overwritten so that the
435         // muxer can handle them as HEIC output image.
436         newFormat->setString(KEY_MIME, mimeHeic);
437         newFormat->setInt32(KEY_WIDTH, mOutputWidth);
438         newFormat->setInt32(KEY_HEIGHT, mOutputHeight);
439         if (mUseGrid) {
440             newFormat->setInt32(KEY_TILE_WIDTH, mGridWidth);
441             newFormat->setInt32(KEY_TILE_HEIGHT, mGridHeight);
442             newFormat->setInt32(KEY_GRID_ROWS, mGridRows);
443             newFormat->setInt32(KEY_GRID_COLUMNS, mGridCols);
444         }
445     }
446     newFormat->setInt32(KEY_IS_DEFAULT, 1 /*isPrimary*/);
447 
448     int32_t gridRows, gridCols;
449     if (newFormat->findInt32(KEY_GRID_ROWS, &gridRows) &&
450             newFormat->findInt32(KEY_GRID_COLUMNS, &gridCols)) {
451         mNumOutputTiles = gridRows * gridCols;
452     } else {
453         mNumOutputTiles = 1;
454     }
455 
456     mFormat = newFormat;
457 
458     ALOGV("%s: mNumOutputTiles is %zu", __FUNCTION__, mNumOutputTiles);
459     mInputReadyCondition.signal();
460 }
461 
onHeicCodecError()462 void HeicCompositeStream::onHeicCodecError() {
463     Mutex::Autolock l(mMutex);
464     mErrorState = true;
465 }
466 
configureStream()467 status_t HeicCompositeStream::configureStream() {
468     if (isRunning()) {
469         // Processing thread is already running, nothing more to do.
470         return NO_ERROR;
471     }
472 
473     if (mOutputSurface.get() == nullptr) {
474         ALOGE("%s: No valid output surface set!", __FUNCTION__);
475         return NO_INIT;
476     }
477 
478     auto res = mOutputSurface->connect(NATIVE_WINDOW_API_CAMERA, mProducerListener);
479     if (res != OK) {
480         ALOGE("%s: Unable to connect to native window for stream %d",
481                 __FUNCTION__, mMainImageStreamId);
482         return res;
483     }
484 
485     if ((res = native_window_set_buffers_format(mOutputSurface.get(), HAL_PIXEL_FORMAT_BLOB))
486             != OK) {
487         ALOGE("%s: Unable to configure stream buffer format for stream %d", __FUNCTION__,
488                 mMainImageStreamId);
489         return res;
490     }
491 
492     ANativeWindow *anwConsumer = mOutputSurface.get();
493     int maxConsumerBuffers;
494     if ((res = anwConsumer->query(anwConsumer, NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
495                     &maxConsumerBuffers)) != OK) {
496         ALOGE("%s: Unable to query consumer undequeued"
497                 " buffer count for stream %d", __FUNCTION__, mMainImageStreamId);
498         return res;
499     }
500 
501     // Cannot use SourceSurface buffer count since it could be codec's 512*512 tile
502     // buffer count.
503     if ((res = native_window_set_buffer_count(
504                     anwConsumer, kMaxOutputSurfaceProducerCount + maxConsumerBuffers)) != OK) {
505         ALOGE("%s: Unable to set buffer count for stream %d", __FUNCTION__, mMainImageStreamId);
506         return res;
507     }
508 
509     if ((res = native_window_set_buffers_dimensions(anwConsumer, mMaxHeicBufferSize, 1)) != OK) {
510         ALOGE("%s: Unable to set buffer dimension %zu x 1 for stream %d: %s (%d)",
511                 __FUNCTION__, mMaxHeicBufferSize, mMainImageStreamId, strerror(-res), res);
512         return res;
513     }
514 
515     sp<camera3::StatusTracker> statusTracker = mStatusTracker.promote();
516     if (statusTracker != nullptr) {
517         std::string name = std::string("HeicStream ") + std::to_string(getStreamId());
518         mStatusId = statusTracker->addComponent(name);
519     }
520 
521     run("HeicCompositeStreamProc");
522 
523     return NO_ERROR;
524 }
525 
insertGbp(SurfaceMap * outSurfaceMap,Vector<int32_t> * outputStreamIds,int32_t * currentStreamId)526 status_t HeicCompositeStream::insertGbp(SurfaceMap* /*out*/outSurfaceMap,
527         Vector<int32_t>* /*out*/outputStreamIds, int32_t* /*out*/currentStreamId) {
528     if (outSurfaceMap->find(mAppSegmentStreamId) == outSurfaceMap->end()) {
529         outputStreamIds->push_back(mAppSegmentStreamId);
530     }
531     (*outSurfaceMap)[mAppSegmentStreamId].push_back(mAppSegmentSurfaceId);
532 
533     if (outSurfaceMap->find(mMainImageStreamId) == outSurfaceMap->end()) {
534         outputStreamIds->push_back(mMainImageStreamId);
535     }
536     (*outSurfaceMap)[mMainImageStreamId].push_back(mMainImageSurfaceId);
537 
538     if (currentStreamId != nullptr) {
539         *currentStreamId = mMainImageStreamId;
540     }
541 
542     return NO_ERROR;
543 }
544 
insertCompositeStreamIds(std::vector<int32_t> * compositeStreamIds)545 status_t HeicCompositeStream::insertCompositeStreamIds(
546         std::vector<int32_t>* compositeStreamIds /*out*/) {
547     if (compositeStreamIds == nullptr) {
548         return BAD_VALUE;
549     }
550 
551     compositeStreamIds->push_back(mAppSegmentStreamId);
552     compositeStreamIds->push_back(mMainImageStreamId);
553 
554     return OK;
555 }
556 
onShutter(const CaptureResultExtras & resultExtras,nsecs_t timestamp)557 void HeicCompositeStream::onShutter(const CaptureResultExtras& resultExtras, nsecs_t timestamp) {
558     Mutex::Autolock l(mMutex);
559     if (mErrorState) {
560         return;
561     }
562 
563     if (mSettingsByFrameNumber.find(resultExtras.frameNumber) != mSettingsByFrameNumber.end()) {
564         ALOGV("%s: [%" PRId64 "]: timestamp %" PRId64 ", requestId %d", __FUNCTION__,
565                 resultExtras.frameNumber, timestamp, resultExtras.requestId);
566         mSettingsByFrameNumber[resultExtras.frameNumber].shutterNotified = true;
567         mSettingsByFrameNumber[resultExtras.frameNumber].timestamp = timestamp;
568         mSettingsByFrameNumber[resultExtras.frameNumber].requestId = resultExtras.requestId;
569         mInputReadyCondition.signal();
570     }
571 }
572 
compilePendingInputLocked()573 void HeicCompositeStream::compilePendingInputLocked() {
574     auto i = mSettingsByFrameNumber.begin();
575     while (i != mSettingsByFrameNumber.end()) {
576         if (i->second.shutterNotified) {
577             mPendingInputFrames[i->first].orientation = i->second.orientation;
578             mPendingInputFrames[i->first].quality = i->second.quality;
579             mPendingInputFrames[i->first].timestamp = i->second.timestamp;
580             mPendingInputFrames[i->first].requestId = i->second.requestId;
581             ALOGV("%s: [%" PRId64 "]: timestamp is %" PRId64, __FUNCTION__,
582                     i->first, i->second.timestamp);
583             i = mSettingsByFrameNumber.erase(i);
584 
585             // Set encoder quality if no inflight encoding
586             if (mPendingInputFrames.size() == 1) {
587                 sp<StatusTracker> statusTracker = mStatusTracker.promote();
588                 if (statusTracker != nullptr) {
589                     statusTracker->markComponentActive(mStatusId);
590                     ALOGV("%s: Mark component as active", __FUNCTION__);
591                 }
592 
593                 int32_t newQuality = mPendingInputFrames.begin()->second.quality;
594                 updateCodecQualityLocked(newQuality);
595             }
596         } else {
597             i++;
598         }
599     }
600 
601     while (!mInputAppSegmentBuffers.empty() && mAppSegmentFrameNumbers.size() > 0) {
602         CpuConsumer::LockedBuffer imgBuffer;
603         auto it = mInputAppSegmentBuffers.begin();
604         auto res = mAppSegmentConsumer->lockNextBuffer(&imgBuffer);
605         if (res == NOT_ENOUGH_DATA) {
606             // Can not lock any more buffers.
607             break;
608         } else if ((res != OK) || (*it != imgBuffer.timestamp)) {
609             if (res != OK) {
610                 ALOGE("%s: Error locking JPEG_APP_SEGMENTS image buffer: %s (%d)", __FUNCTION__,
611                         strerror(-res), res);
612             } else {
613                 ALOGE("%s: Expecting JPEG_APP_SEGMENTS buffer with time stamp: %" PRId64
614                         " received buffer with time stamp: %" PRId64, __FUNCTION__,
615                         *it, imgBuffer.timestamp);
616                 mAppSegmentConsumer->unlockBuffer(imgBuffer);
617             }
618             mPendingInputFrames[*it].error = true;
619             mInputAppSegmentBuffers.erase(it);
620             continue;
621         }
622 
623         if (mPendingInputFrames.find(mAppSegmentFrameNumbers.front()) == mPendingInputFrames.end()) {
624             ALOGE("%s: mPendingInputFrames doesn't contain frameNumber %" PRId64, __FUNCTION__,
625                     mAppSegmentFrameNumbers.front());
626             mInputAppSegmentBuffers.erase(it);
627             mAppSegmentFrameNumbers.pop();
628             continue;
629         }
630 
631         int64_t frameNumber = mAppSegmentFrameNumbers.front();
632         // If mPendingInputFrames doesn't contain the expected frame number, the captured
633         // input app segment frame must have been dropped via a buffer error.  Simply
634         // return the buffer to the buffer queue.
635         if ((mPendingInputFrames.find(frameNumber) == mPendingInputFrames.end()) ||
636                 (mPendingInputFrames[frameNumber].error)) {
637             mAppSegmentConsumer->unlockBuffer(imgBuffer);
638         } else {
639             mPendingInputFrames[frameNumber].appSegmentBuffer = imgBuffer;
640         }
641         mInputAppSegmentBuffers.erase(it);
642         mAppSegmentFrameNumbers.pop();
643     }
644 
645     while (!mInputYuvBuffers.empty() && !mYuvBufferAcquired && mMainImageFrameNumbers.size() > 0) {
646         CpuConsumer::LockedBuffer imgBuffer;
647         auto it = mInputYuvBuffers.begin();
648         auto res = mMainImageConsumer->lockNextBuffer(&imgBuffer);
649         if (res == NOT_ENOUGH_DATA) {
650             // Can not lock any more buffers.
651             break;
652         } else if (res != OK) {
653             ALOGE("%s: Error locking YUV_888 image buffer: %s (%d)", __FUNCTION__,
654                     strerror(-res), res);
655             mPendingInputFrames[*it].error = true;
656             mInputYuvBuffers.erase(it);
657             continue;
658         } else if (*it != imgBuffer.timestamp) {
659             ALOGW("%s: Expecting YUV_888 buffer with time stamp: %" PRId64 " received buffer with "
660                     "time stamp: %" PRId64, __FUNCTION__, *it, imgBuffer.timestamp);
661             mPendingInputFrames[*it].error = true;
662             mInputYuvBuffers.erase(it);
663             continue;
664         }
665 
666         if (mPendingInputFrames.find(mMainImageFrameNumbers.front()) == mPendingInputFrames.end()) {
667             ALOGE("%s: mPendingInputFrames doesn't contain frameNumber %" PRId64, __FUNCTION__,
668                     mMainImageFrameNumbers.front());
669             mInputYuvBuffers.erase(it);
670             mMainImageFrameNumbers.pop();
671             continue;
672         }
673 
674         int64_t frameNumber = mMainImageFrameNumbers.front();
675         // If mPendingInputFrames doesn't contain the expected frame number, the captured
676         // input main image must have been dropped via a buffer error. Simply
677         // return the buffer to the buffer queue.
678         if ((mPendingInputFrames.find(frameNumber) == mPendingInputFrames.end()) ||
679                 (mPendingInputFrames[frameNumber].error)) {
680             mMainImageConsumer->unlockBuffer(imgBuffer);
681         } else {
682             mPendingInputFrames[frameNumber].yuvBuffer = imgBuffer;
683             mYuvBufferAcquired = true;
684         }
685         mInputYuvBuffers.erase(it);
686         mMainImageFrameNumbers.pop();
687     }
688 
689     while (!mCodecOutputBuffers.empty()) {
690         auto it = mCodecOutputBuffers.begin();
691         // Assume encoder input to output is FIFO, use a queue to look up
692         // frameNumber when handling codec outputs.
693         int64_t bufferFrameNumber = -1;
694         if (mCodecOutputBufferFrameNumbers.empty()) {
695             ALOGV("%s: Failed to find buffer frameNumber for codec output buffer!", __FUNCTION__);
696             break;
697         } else {
698             // Direct mapping between camera frame number and codec timestamp (in us).
699             bufferFrameNumber = mCodecOutputBufferFrameNumbers.front();
700             mCodecOutputCounter++;
701             if (mCodecOutputCounter == mNumOutputTiles) {
702                 mCodecOutputBufferFrameNumbers.pop();
703                 mCodecOutputCounter = 0;
704             }
705 
706             mPendingInputFrames[bufferFrameNumber].codecOutputBuffers.push_back(*it);
707             ALOGV("%s: [%" PRId64 "]: Pushing codecOutputBuffers (frameNumber %" PRId64 ")",
708                     __FUNCTION__, bufferFrameNumber, it->timeUs);
709         }
710         mCodecOutputBuffers.erase(it);
711     }
712 
713     while (!mCaptureResults.empty()) {
714         auto it = mCaptureResults.begin();
715         // Negative frame number indicates that something went wrong during the capture result
716         // collection process.
717         int64_t frameNumber = std::get<0>(it->second);
718         if (it->first >= 0 &&
719                 mPendingInputFrames.find(frameNumber) != mPendingInputFrames.end()) {
720             if (mPendingInputFrames[frameNumber].timestamp == it->first) {
721                 mPendingInputFrames[frameNumber].result =
722                         std::make_unique<CameraMetadata>(std::get<1>(it->second));
723             } else {
724                 ALOGE("%s: Capture result frameNumber/timestamp mapping changed between "
725                         "shutter and capture result! before: %" PRId64 ", after: %" PRId64,
726                         __FUNCTION__, mPendingInputFrames[frameNumber].timestamp,
727                         it->first);
728             }
729         }
730         mCaptureResults.erase(it);
731     }
732 
733     // mErrorFrameNumbers stores frame number of dropped buffers.
734     auto it = mErrorFrameNumbers.begin();
735     while (it != mErrorFrameNumbers.end()) {
736         if (mPendingInputFrames.find(*it) != mPendingInputFrames.end()) {
737             mPendingInputFrames[*it].error = true;
738         } else {
739             //Error callback is guaranteed to arrive after shutter notify, which
740             //results in mPendingInputFrames being populated.
741             ALOGW("%s: Not able to find failing input with frame number: %" PRId64, __FUNCTION__,
742                     *it);
743         }
744         it = mErrorFrameNumbers.erase(it);
745     }
746 
747     // mExifErrorFrameNumbers stores the frame number of dropped APP_SEGMENT buffers
748     it = mExifErrorFrameNumbers.begin();
749     while (it != mExifErrorFrameNumbers.end()) {
750         if (mPendingInputFrames.find(*it) != mPendingInputFrames.end()) {
751             mPendingInputFrames[*it].exifError = true;
752         }
753         it = mExifErrorFrameNumbers.erase(it);
754     }
755 
756     // Distribute codec input buffers to be filled out from YUV output
757     for (auto it = mPendingInputFrames.begin();
758             it != mPendingInputFrames.end() && mCodecInputBuffers.size() > 0; it++) {
759         InputFrame& inputFrame(it->second);
760         if (inputFrame.codecInputCounter < mGridRows * mGridCols) {
761             // Available input tiles that are required for the current input
762             // image.
763             size_t newInputTiles = std::min(mCodecInputBuffers.size(),
764                     mGridRows * mGridCols - inputFrame.codecInputCounter);
765             for (size_t i = 0; i < newInputTiles; i++) {
766                 CodecInputBufferInfo inputInfo =
767                         { mCodecInputBuffers[0], mGridTimestampUs++, inputFrame.codecInputCounter };
768                 inputFrame.codecInputBuffers.push_back(inputInfo);
769 
770                 mCodecInputBuffers.erase(mCodecInputBuffers.begin());
771                 inputFrame.codecInputCounter++;
772             }
773             break;
774         }
775     }
776 }
777 
getNextReadyInputLocked(int64_t * frameNumber)778 bool HeicCompositeStream::getNextReadyInputLocked(int64_t *frameNumber /*out*/) {
779     if (frameNumber == nullptr) {
780         return false;
781     }
782 
783     bool newInputAvailable = false;
784     for (auto& it : mPendingInputFrames) {
785         // New input is considered to be available only if:
786         // 1. input buffers are ready, or
787         // 2. App segment and muxer is created, or
788         // 3. A codec output tile is ready, and an output buffer is available.
789         // This makes sure that muxer gets created only when an output tile is
790         // generated, because right now we only handle 1 HEIC output buffer at a
791         // time (max dequeued buffer count is 1).
792         bool appSegmentReady =
793                 (it.second.appSegmentBuffer.data != nullptr || it.second.exifError) &&
794                 !it.second.appSegmentWritten && it.second.result != nullptr &&
795                 it.second.muxer != nullptr;
796         bool codecOutputReady = !it.second.codecOutputBuffers.empty();
797         bool codecInputReady = (it.second.yuvBuffer.data != nullptr) &&
798                 (!it.second.codecInputBuffers.empty());
799         bool hasOutputBuffer = it.second.muxer != nullptr ||
800                 (mDequeuedOutputBufferCnt < kMaxOutputSurfaceProducerCount);
801         if ((!it.second.error) &&
802                 (appSegmentReady || (codecOutputReady && hasOutputBuffer) || codecInputReady)) {
803             *frameNumber = it.first;
804             if (it.second.format == nullptr && mFormat != nullptr) {
805                 it.second.format = mFormat->dup();
806             }
807             newInputAvailable = true;
808             break;
809         }
810     }
811 
812     return newInputAvailable;
813 }
814 
getNextFailingInputLocked()815 int64_t HeicCompositeStream::getNextFailingInputLocked() {
816     int64_t res = -1;
817 
818     for (const auto& it : mPendingInputFrames) {
819         if (it.second.error) {
820             res = it.first;
821             break;
822         }
823     }
824 
825     return res;
826 }
827 
processInputFrame(int64_t frameNumber,InputFrame & inputFrame)828 status_t HeicCompositeStream::processInputFrame(int64_t frameNumber,
829         InputFrame &inputFrame) {
830     ATRACE_CALL();
831     status_t res = OK;
832 
833     bool appSegmentReady =
834             (inputFrame.appSegmentBuffer.data != nullptr || inputFrame.exifError) &&
835             !inputFrame.appSegmentWritten && inputFrame.result != nullptr &&
836             inputFrame.muxer != nullptr;
837     bool codecOutputReady = inputFrame.codecOutputBuffers.size() > 0;
838     bool codecInputReady = inputFrame.yuvBuffer.data != nullptr &&
839             !inputFrame.codecInputBuffers.empty();
840     bool hasOutputBuffer = inputFrame.muxer != nullptr ||
841             (mDequeuedOutputBufferCnt < kMaxOutputSurfaceProducerCount);
842 
843     ALOGV("%s: [%" PRId64 "]: appSegmentReady %d, codecOutputReady %d, codecInputReady %d,"
844             " dequeuedOutputBuffer %d, timestamp %" PRId64, __FUNCTION__, frameNumber,
845             appSegmentReady, codecOutputReady, codecInputReady, mDequeuedOutputBufferCnt,
846             inputFrame.timestamp);
847 
848     // Handle inputs for Hevc tiling
849     if (codecInputReady) {
850         res = processCodecInputFrame(inputFrame);
851         if (res != OK) {
852             ALOGE("%s: Failed to process codec input frame: %s (%d)", __FUNCTION__,
853                     strerror(-res), res);
854             return res;
855         }
856     }
857 
858     if (!(codecOutputReady && hasOutputBuffer) && !appSegmentReady) {
859         return OK;
860     }
861 
862     // Initialize and start muxer if not yet done so. In this case,
863     // codecOutputReady must be true. Otherwise, appSegmentReady is guaranteed
864     // to be false, and the function must have returned early.
865     if (inputFrame.muxer == nullptr) {
866         res = startMuxerForInputFrame(frameNumber, inputFrame);
867         if (res != OK) {
868             ALOGE("%s: Failed to create and start muxer: %s (%d)", __FUNCTION__,
869                     strerror(-res), res);
870             return res;
871         }
872     }
873 
874     // Write JPEG APP segments data to the muxer.
875     if (appSegmentReady) {
876         res = processAppSegment(frameNumber, inputFrame);
877         if (res != OK) {
878             ALOGE("%s: Failed to process JPEG APP segments: %s (%d)", __FUNCTION__,
879                     strerror(-res), res);
880             return res;
881         }
882     }
883 
884     // Write media codec bitstream buffers to muxer.
885     while (!inputFrame.codecOutputBuffers.empty()) {
886         res = processOneCodecOutputFrame(frameNumber, inputFrame);
887         if (res != OK) {
888             ALOGE("%s: Failed to process codec output frame: %s (%d)", __FUNCTION__,
889                     strerror(-res), res);
890             return res;
891         }
892     }
893 
894     if (inputFrame.pendingOutputTiles == 0) {
895         if (inputFrame.appSegmentWritten) {
896             res = processCompletedInputFrame(frameNumber, inputFrame);
897             if (res != OK) {
898                 ALOGE("%s: Failed to process completed input frame: %s (%d)", __FUNCTION__,
899                         strerror(-res), res);
900                 return res;
901             }
902         }
903     }
904 
905     return res;
906 }
907 
startMuxerForInputFrame(int64_t frameNumber,InputFrame & inputFrame)908 status_t HeicCompositeStream::startMuxerForInputFrame(int64_t frameNumber, InputFrame &inputFrame) {
909     sp<ANativeWindow> outputANW = mOutputSurface;
910 
911     auto res = outputANW->dequeueBuffer(mOutputSurface.get(), &inputFrame.anb, &inputFrame.fenceFd);
912     if (res != OK) {
913         ALOGE("%s: Error retrieving output buffer: %s (%d)", __FUNCTION__, strerror(-res),
914                 res);
915         return res;
916     }
917     mDequeuedOutputBufferCnt++;
918 
919     // Combine current thread id, stream id and timestamp to uniquely identify image.
920     std::ostringstream tempOutputFile;
921     tempOutputFile << "HEIF-" << pthread_self() << "-"
922             << getStreamId() << "-" << frameNumber;
923     inputFrame.fileFd = syscall(__NR_memfd_create, tempOutputFile.str().c_str(), MFD_CLOEXEC);
924     if (inputFrame.fileFd < 0) {
925         ALOGE("%s: Failed to create file %s. Error no is %d", __FUNCTION__,
926                 tempOutputFile.str().c_str(), errno);
927         return NO_INIT;
928     }
929     inputFrame.muxer = new MediaMuxer(inputFrame.fileFd, MediaMuxer::OUTPUT_FORMAT_HEIF);
930     if (inputFrame.muxer == nullptr) {
931         ALOGE("%s: Failed to create MediaMuxer for file fd %d",
932                 __FUNCTION__, inputFrame.fileFd);
933         return NO_INIT;
934     }
935 
936     res = inputFrame.muxer->setOrientationHint(inputFrame.orientation);
937     if (res != OK) {
938         ALOGE("%s: Failed to setOrientationHint: %s (%d)", __FUNCTION__,
939                 strerror(-res), res);
940         return res;
941     }
942 
943     ssize_t trackId = inputFrame.muxer->addTrack(inputFrame.format);
944     if (trackId < 0) {
945         ALOGE("%s: Failed to addTrack to the muxer: %zd", __FUNCTION__, trackId);
946         return NO_INIT;
947     }
948 
949     inputFrame.trackIndex = trackId;
950     inputFrame.pendingOutputTiles = mNumOutputTiles;
951 
952     res = inputFrame.muxer->start();
953     if (res != OK) {
954         ALOGE("%s: Failed to start MediaMuxer: %s (%d)",
955                 __FUNCTION__, strerror(-res), res);
956         return res;
957     }
958 
959     ALOGV("%s: [%" PRId64 "]: Muxer started for inputFrame", __FUNCTION__,
960             frameNumber);
961     return OK;
962 }
963 
processAppSegment(int64_t frameNumber,InputFrame & inputFrame)964 status_t HeicCompositeStream::processAppSegment(int64_t frameNumber, InputFrame &inputFrame) {
965     size_t app1Size = 0;
966     size_t appSegmentSize = 0;
967     if (!inputFrame.exifError) {
968         appSegmentSize = findAppSegmentsSize(inputFrame.appSegmentBuffer.data,
969                 inputFrame.appSegmentBuffer.width * inputFrame.appSegmentBuffer.height,
970                 &app1Size);
971         if (appSegmentSize == 0) {
972             ALOGE("%s: Failed to find JPEG APP segment size", __FUNCTION__);
973             return NO_INIT;
974         }
975     }
976 
977     std::unique_ptr<ExifUtils> exifUtils(ExifUtils::create());
978     auto exifRes = inputFrame.exifError ?
979             exifUtils->initializeEmpty() :
980             exifUtils->initialize(inputFrame.appSegmentBuffer.data, app1Size);
981     if (!exifRes) {
982         ALOGE("%s: Failed to initialize ExifUtils object!", __FUNCTION__);
983         return BAD_VALUE;
984     }
985     exifRes = exifUtils->setFromMetadata(*inputFrame.result, mStaticInfo,
986             mOutputWidth, mOutputHeight);
987     if (!exifRes) {
988         ALOGE("%s: Failed to set Exif tags using metadata and main image sizes", __FUNCTION__);
989         return BAD_VALUE;
990     }
991     exifRes = exifUtils->setOrientation(inputFrame.orientation);
992     if (!exifRes) {
993         ALOGE("%s: ExifUtils failed to set orientation", __FUNCTION__);
994         return BAD_VALUE;
995     }
996     exifRes = exifUtils->generateApp1();
997     if (!exifRes) {
998         ALOGE("%s: ExifUtils failed to generate APP1 segment", __FUNCTION__);
999         return BAD_VALUE;
1000     }
1001 
1002     unsigned int newApp1Length = exifUtils->getApp1Length();
1003     const uint8_t *newApp1Segment = exifUtils->getApp1Buffer();
1004 
1005     //Assemble the APP1 marker buffer required by MediaCodec
1006     uint8_t kExifApp1Marker[] = {'E', 'x', 'i', 'f', 0xFF, 0xE1, 0x00, 0x00};
1007     kExifApp1Marker[6] = static_cast<uint8_t>(newApp1Length >> 8);
1008     kExifApp1Marker[7] = static_cast<uint8_t>(newApp1Length & 0xFF);
1009     size_t appSegmentBufferSize = sizeof(kExifApp1Marker) +
1010             appSegmentSize - app1Size + newApp1Length;
1011     uint8_t* appSegmentBuffer = new uint8_t[appSegmentBufferSize];
1012     memcpy(appSegmentBuffer, kExifApp1Marker, sizeof(kExifApp1Marker));
1013     memcpy(appSegmentBuffer + sizeof(kExifApp1Marker), newApp1Segment, newApp1Length);
1014     if (appSegmentSize - app1Size > 0) {
1015         memcpy(appSegmentBuffer + sizeof(kExifApp1Marker) + newApp1Length,
1016                 inputFrame.appSegmentBuffer.data + app1Size, appSegmentSize - app1Size);
1017     }
1018 
1019     sp<ABuffer> aBuffer = new ABuffer(appSegmentBuffer, appSegmentBufferSize);
1020     auto res = inputFrame.muxer->writeSampleData(aBuffer, inputFrame.trackIndex,
1021             inputFrame.timestamp, MediaCodec::BUFFER_FLAG_MUXER_DATA);
1022     delete[] appSegmentBuffer;
1023 
1024     if (res != OK) {
1025         ALOGE("%s: Failed to write JPEG APP segments to muxer: %s (%d)",
1026                 __FUNCTION__, strerror(-res), res);
1027         return res;
1028     }
1029 
1030     ALOGV("%s: [%" PRId64 "]: appSegmentSize is %zu, width %d, height %d, app1Size %zu",
1031           __FUNCTION__, frameNumber, appSegmentSize, inputFrame.appSegmentBuffer.width,
1032           inputFrame.appSegmentBuffer.height, app1Size);
1033 
1034     inputFrame.appSegmentWritten = true;
1035     // Release the buffer now so any pending input app segments can be processed
1036     mAppSegmentConsumer->unlockBuffer(inputFrame.appSegmentBuffer);
1037     inputFrame.appSegmentBuffer.data = nullptr;
1038     inputFrame.exifError = false;
1039 
1040     return OK;
1041 }
1042 
processCodecInputFrame(InputFrame & inputFrame)1043 status_t HeicCompositeStream::processCodecInputFrame(InputFrame &inputFrame) {
1044     for (auto& inputBuffer : inputFrame.codecInputBuffers) {
1045         sp<MediaCodecBuffer> buffer;
1046         auto res = mCodec->getInputBuffer(inputBuffer.index, &buffer);
1047         if (res != OK) {
1048             ALOGE("%s: Error getting codec input buffer: %s (%d)", __FUNCTION__,
1049                     strerror(-res), res);
1050             return res;
1051         }
1052 
1053         // Copy one tile from source to destination.
1054         size_t tileX = inputBuffer.tileIndex % mGridCols;
1055         size_t tileY = inputBuffer.tileIndex / mGridCols;
1056         size_t top = mGridHeight * tileY;
1057         size_t left = mGridWidth * tileX;
1058         size_t width = (tileX == static_cast<size_t>(mGridCols) - 1) ?
1059                 mOutputWidth - tileX * mGridWidth : mGridWidth;
1060         size_t height = (tileY == static_cast<size_t>(mGridRows) - 1) ?
1061                 mOutputHeight - tileY * mGridHeight : mGridHeight;
1062         ALOGV("%s: inputBuffer tileIndex [%zu, %zu], top %zu, left %zu, width %zu, height %zu,"
1063                 " timeUs %" PRId64, __FUNCTION__, tileX, tileY, top, left, width, height,
1064                 inputBuffer.timeUs);
1065 
1066         res = copyOneYuvTile(buffer, inputFrame.yuvBuffer, top, left, width, height);
1067         if (res != OK) {
1068             ALOGE("%s: Failed to copy YUV tile %s (%d)", __FUNCTION__,
1069                     strerror(-res), res);
1070             return res;
1071         }
1072 
1073         res = mCodec->queueInputBuffer(inputBuffer.index, 0, buffer->capacity(),
1074                 inputBuffer.timeUs, 0, nullptr /*errorDetailMsg*/);
1075         if (res != OK) {
1076             ALOGE("%s: Failed to queueInputBuffer to Codec: %s (%d)",
1077                     __FUNCTION__, strerror(-res), res);
1078             return res;
1079         }
1080     }
1081 
1082     inputFrame.codecInputBuffers.clear();
1083     return OK;
1084 }
1085 
processOneCodecOutputFrame(int64_t frameNumber,InputFrame & inputFrame)1086 status_t HeicCompositeStream::processOneCodecOutputFrame(int64_t frameNumber,
1087         InputFrame &inputFrame) {
1088     auto it = inputFrame.codecOutputBuffers.begin();
1089     sp<MediaCodecBuffer> buffer;
1090     status_t res = mCodec->getOutputBuffer(it->index, &buffer);
1091     if (res != OK) {
1092         ALOGE("%s: Error getting Heic codec output buffer at index %d: %s (%d)",
1093                 __FUNCTION__, it->index, strerror(-res), res);
1094         return res;
1095     }
1096     if (buffer == nullptr) {
1097         ALOGE("%s: Invalid Heic codec output buffer at index %d",
1098                 __FUNCTION__, it->index);
1099         return BAD_VALUE;
1100     }
1101 
1102     sp<ABuffer> aBuffer = new ABuffer(buffer->data(), buffer->size());
1103     res = inputFrame.muxer->writeSampleData(
1104             aBuffer, inputFrame.trackIndex, inputFrame.timestamp, 0 /*flags*/);
1105     if (res != OK) {
1106         ALOGE("%s: Failed to write buffer index %d to muxer: %s (%d)",
1107                 __FUNCTION__, it->index, strerror(-res), res);
1108         return res;
1109     }
1110 
1111     mCodec->releaseOutputBuffer(it->index);
1112     if (inputFrame.pendingOutputTiles == 0) {
1113         ALOGW("%s: Codec generated more tiles than expected!", __FUNCTION__);
1114     } else {
1115         inputFrame.pendingOutputTiles--;
1116     }
1117 
1118     inputFrame.codecOutputBuffers.erase(inputFrame.codecOutputBuffers.begin());
1119 
1120     ALOGV("%s: [%" PRId64 "]: Output buffer index %d",
1121         __FUNCTION__, frameNumber, it->index);
1122     return OK;
1123 }
1124 
processCompletedInputFrame(int64_t frameNumber,InputFrame & inputFrame)1125 status_t HeicCompositeStream::processCompletedInputFrame(int64_t frameNumber,
1126         InputFrame &inputFrame) {
1127     sp<ANativeWindow> outputANW = mOutputSurface;
1128     inputFrame.muxer->stop();
1129 
1130     // Copy the content of the file to memory.
1131     sp<GraphicBuffer> gb = GraphicBuffer::from(inputFrame.anb);
1132     void* dstBuffer;
1133     auto res = gb->lockAsync(GRALLOC_USAGE_SW_WRITE_OFTEN, &dstBuffer, inputFrame.fenceFd);
1134     if (res != OK) {
1135         ALOGE("%s: Error trying to lock output buffer fence: %s (%d)", __FUNCTION__,
1136                 strerror(-res), res);
1137         return res;
1138     }
1139 
1140     off_t fSize = lseek(inputFrame.fileFd, 0, SEEK_END);
1141     if (static_cast<size_t>(fSize) > mMaxHeicBufferSize - sizeof(CameraBlob)) {
1142         ALOGE("%s: Error: MediaMuxer output size %ld is larger than buffer sizer %zu",
1143                 __FUNCTION__, fSize, mMaxHeicBufferSize - sizeof(CameraBlob));
1144         return BAD_VALUE;
1145     }
1146 
1147     lseek(inputFrame.fileFd, 0, SEEK_SET);
1148     ssize_t bytesRead = read(inputFrame.fileFd, dstBuffer, fSize);
1149     if (bytesRead < fSize) {
1150         ALOGE("%s: Only %zd of %ld bytes read", __FUNCTION__, bytesRead, fSize);
1151         return BAD_VALUE;
1152     }
1153 
1154     close(inputFrame.fileFd);
1155     inputFrame.fileFd = -1;
1156 
1157     // Fill in HEIC header
1158     uint8_t *header = static_cast<uint8_t*>(dstBuffer) + mMaxHeicBufferSize - sizeof(CameraBlob);
1159     struct CameraBlob *blobHeader = (struct CameraBlob *)header;
1160     // Must be in sync with CAMERA3_HEIC_BLOB_ID in android_media_Utils.cpp
1161     blobHeader->blobId = static_cast<CameraBlobId>(0x00FE);
1162     blobHeader->blobSize = fSize;
1163 
1164     res = native_window_set_buffers_timestamp(mOutputSurface.get(), inputFrame.timestamp);
1165     if (res != OK) {
1166         ALOGE("%s: Stream %d: Error setting timestamp: %s (%d)",
1167                __FUNCTION__, getStreamId(), strerror(-res), res);
1168         return res;
1169     }
1170 
1171     res = outputANW->queueBuffer(mOutputSurface.get(), inputFrame.anb, /*fence*/ -1);
1172     if (res != OK) {
1173         ALOGE("%s: Failed to queueBuffer to Heic stream: %s (%d)", __FUNCTION__,
1174                 strerror(-res), res);
1175         return res;
1176     }
1177     inputFrame.anb = nullptr;
1178     mDequeuedOutputBufferCnt--;
1179 
1180     ALOGV("%s: [%" PRId64 "]", __FUNCTION__, frameNumber);
1181     ATRACE_ASYNC_END("HEIC capture", frameNumber);
1182     return OK;
1183 }
1184 
1185 
releaseInputFrameLocked(int64_t frameNumber,InputFrame * inputFrame)1186 void HeicCompositeStream::releaseInputFrameLocked(int64_t frameNumber,
1187         InputFrame *inputFrame /*out*/) {
1188     if (inputFrame == nullptr) {
1189         return;
1190     }
1191 
1192     if (inputFrame->appSegmentBuffer.data != nullptr) {
1193         mAppSegmentConsumer->unlockBuffer(inputFrame->appSegmentBuffer);
1194         inputFrame->appSegmentBuffer.data = nullptr;
1195     }
1196 
1197     while (!inputFrame->codecOutputBuffers.empty()) {
1198         auto it = inputFrame->codecOutputBuffers.begin();
1199         ALOGV("%s: releaseOutputBuffer index %d", __FUNCTION__, it->index);
1200         mCodec->releaseOutputBuffer(it->index);
1201         inputFrame->codecOutputBuffers.erase(it);
1202     }
1203 
1204     if (inputFrame->yuvBuffer.data != nullptr) {
1205         mMainImageConsumer->unlockBuffer(inputFrame->yuvBuffer);
1206         inputFrame->yuvBuffer.data = nullptr;
1207         mYuvBufferAcquired = false;
1208     }
1209 
1210     while (!inputFrame->codecInputBuffers.empty()) {
1211         auto it = inputFrame->codecInputBuffers.begin();
1212         inputFrame->codecInputBuffers.erase(it);
1213     }
1214 
1215     if (inputFrame->error || mErrorState) {
1216         ALOGV("%s: notifyError called for frameNumber %" PRId64, __FUNCTION__, frameNumber);
1217         notifyError(frameNumber, inputFrame->requestId);
1218     }
1219 
1220     if (inputFrame->fileFd >= 0) {
1221         close(inputFrame->fileFd);
1222         inputFrame->fileFd = -1;
1223     }
1224 
1225     if (inputFrame->anb != nullptr) {
1226         sp<ANativeWindow> outputANW = mOutputSurface;
1227         outputANW->cancelBuffer(mOutputSurface.get(), inputFrame->anb, /*fence*/ -1);
1228         inputFrame->anb = nullptr;
1229 
1230         mDequeuedOutputBufferCnt--;
1231     }
1232 }
1233 
releaseInputFramesLocked()1234 void HeicCompositeStream::releaseInputFramesLocked() {
1235     auto it = mPendingInputFrames.begin();
1236     bool inputFrameDone = false;
1237     while (it != mPendingInputFrames.end()) {
1238         auto& inputFrame = it->second;
1239         if (inputFrame.error ||
1240                 (inputFrame.appSegmentWritten && inputFrame.pendingOutputTiles == 0)) {
1241             releaseInputFrameLocked(it->first, &inputFrame);
1242             it = mPendingInputFrames.erase(it);
1243             inputFrameDone = true;
1244         } else {
1245             it++;
1246         }
1247     }
1248 
1249     // Update codec quality based on first upcoming input frame.
1250     // Note that when encoding is in surface mode, currently there is  no
1251     // way for camera service to synchronize quality setting on a per-frame
1252     // basis: we don't get notification when codec is ready to consume a new
1253     // input frame. So we update codec quality on a best-effort basis.
1254     if (inputFrameDone) {
1255         auto firstPendingFrame = mPendingInputFrames.begin();
1256         if (firstPendingFrame != mPendingInputFrames.end()) {
1257             updateCodecQualityLocked(firstPendingFrame->second.quality);
1258         } else {
1259             markTrackerIdle();
1260         }
1261     }
1262 }
1263 
initializeCodec(uint32_t width,uint32_t height,const sp<CameraDeviceBase> & cameraDevice)1264 status_t HeicCompositeStream::initializeCodec(uint32_t width, uint32_t height,
1265         const sp<CameraDeviceBase>& cameraDevice) {
1266     ALOGV("%s", __FUNCTION__);
1267 
1268     bool useGrid = false;
1269     AString hevcName;
1270     bool isSizeSupported = isSizeSupportedByHeifEncoder(width, height,
1271             &mUseHeic, &useGrid, nullptr, &hevcName);
1272     if (!isSizeSupported) {
1273         ALOGE("%s: Encoder doesnt' support size %u x %u!",
1274                 __FUNCTION__, width, height);
1275         return BAD_VALUE;
1276     }
1277 
1278     // Create Looper for MediaCodec.
1279     auto desiredMime = mUseHeic ? MIMETYPE_IMAGE_ANDROID_HEIC : MIMETYPE_VIDEO_HEVC;
1280     mCodecLooper = new ALooper;
1281     mCodecLooper->setName("Camera3-HeicComposite-MediaCodecLooper");
1282     status_t res = mCodecLooper->start(
1283             false,   // runOnCallingThread
1284             false,    // canCallJava
1285             PRIORITY_AUDIO);
1286     if (res != OK) {
1287         ALOGE("%s: Failed to start codec looper: %s (%d)",
1288                 __FUNCTION__, strerror(-res), res);
1289         return NO_INIT;
1290     }
1291 
1292     // Create HEIC/HEVC codec.
1293     if (mUseHeic) {
1294         mCodec = MediaCodec::CreateByType(mCodecLooper, desiredMime, true /*encoder*/);
1295     } else {
1296         mCodec = MediaCodec::CreateByComponentName(mCodecLooper, hevcName);
1297     }
1298     if (mCodec == nullptr) {
1299         ALOGE("%s: Failed to create codec for %s", __FUNCTION__, desiredMime);
1300         return NO_INIT;
1301     }
1302 
1303     // Create Looper and handler for Codec callback.
1304     mCodecCallbackHandler = new CodecCallbackHandler(this);
1305     if (mCodecCallbackHandler == nullptr) {
1306         ALOGE("%s: Failed to create codec callback handler", __FUNCTION__);
1307         return NO_MEMORY;
1308     }
1309     mCallbackLooper = new ALooper;
1310     mCallbackLooper->setName("Camera3-HeicComposite-MediaCodecCallbackLooper");
1311     res = mCallbackLooper->start(
1312             false,   // runOnCallingThread
1313             false,    // canCallJava
1314             PRIORITY_AUDIO);
1315     if (res != OK) {
1316         ALOGE("%s: Failed to start media callback looper: %s (%d)",
1317                 __FUNCTION__, strerror(-res), res);
1318         return NO_INIT;
1319     }
1320     mCallbackLooper->registerHandler(mCodecCallbackHandler);
1321 
1322     mAsyncNotify = new AMessage(kWhatCallbackNotify, mCodecCallbackHandler);
1323     res = mCodec->setCallback(mAsyncNotify);
1324     if (res != OK) {
1325         ALOGE("%s: Failed to set MediaCodec callback: %s (%d)", __FUNCTION__,
1326                 strerror(-res), res);
1327         return res;
1328     }
1329 
1330     // Create output format and configure the Codec.
1331     sp<AMessage> outputFormat = new AMessage();
1332     outputFormat->setString(KEY_MIME, desiredMime);
1333     outputFormat->setInt32(KEY_BITRATE_MODE, BITRATE_MODE_CQ);
1334     outputFormat->setInt32(KEY_QUALITY, kDefaultJpegQuality);
1335     // Ask codec to skip timestamp check and encode all frames.
1336     outputFormat->setInt64(KEY_MAX_PTS_GAP_TO_ENCODER, kNoFrameDropMaxPtsGap);
1337 
1338     int32_t gridWidth, gridHeight, gridRows, gridCols;
1339     if (useGrid || mUseHeic) {
1340         gridWidth = HeicEncoderInfoManager::kGridWidth;
1341         gridHeight = HeicEncoderInfoManager::kGridHeight;
1342         gridRows = (height + gridHeight - 1)/gridHeight;
1343         gridCols = (width + gridWidth - 1)/gridWidth;
1344 
1345         if (mUseHeic) {
1346             outputFormat->setInt32(KEY_TILE_WIDTH, gridWidth);
1347             outputFormat->setInt32(KEY_TILE_HEIGHT, gridHeight);
1348             outputFormat->setInt32(KEY_GRID_COLUMNS, gridCols);
1349             outputFormat->setInt32(KEY_GRID_ROWS, gridRows);
1350         }
1351 
1352     } else {
1353         gridWidth = width;
1354         gridHeight = height;
1355         gridRows = 1;
1356         gridCols = 1;
1357     }
1358 
1359     outputFormat->setInt32(KEY_WIDTH, !useGrid ? width : gridWidth);
1360     outputFormat->setInt32(KEY_HEIGHT, !useGrid ? height : gridHeight);
1361     outputFormat->setInt32(KEY_I_FRAME_INTERVAL, 0);
1362     outputFormat->setInt32(KEY_COLOR_FORMAT,
1363             useGrid ? COLOR_FormatYUV420Flexible : COLOR_FormatSurface);
1364     outputFormat->setInt32(KEY_FRAME_RATE, useGrid ? gridRows * gridCols : kNoGridOpRate);
1365     // This only serves as a hint to encoder when encoding is not real-time.
1366     outputFormat->setInt32(KEY_OPERATING_RATE, useGrid ? kGridOpRate : kNoGridOpRate);
1367 
1368     res = mCodec->configure(outputFormat, nullptr /*nativeWindow*/,
1369             nullptr /*crypto*/, CONFIGURE_FLAG_ENCODE);
1370     if (res != OK) {
1371         ALOGE("%s: Failed to configure codec: %s (%d)", __FUNCTION__,
1372                 strerror(-res), res);
1373         return res;
1374     }
1375 
1376     mGridWidth = gridWidth;
1377     mGridHeight = gridHeight;
1378     mGridRows = gridRows;
1379     mGridCols = gridCols;
1380     mUseGrid = useGrid;
1381     mOutputWidth = width;
1382     mOutputHeight = height;
1383     mAppSegmentMaxSize = calcAppSegmentMaxSize(cameraDevice->info());
1384     mMaxHeicBufferSize =
1385         ALIGN(mOutputWidth, HeicEncoderInfoManager::kGridWidth) *
1386         ALIGN(mOutputHeight, HeicEncoderInfoManager::kGridHeight) * 3 / 2 + mAppSegmentMaxSize;
1387 
1388     return OK;
1389 }
1390 
deinitCodec()1391 void HeicCompositeStream::deinitCodec() {
1392     ALOGV("%s", __FUNCTION__);
1393     if (mCodec != nullptr) {
1394         mCodec->stop();
1395         mCodec->release();
1396         mCodec.clear();
1397     }
1398 
1399     if (mCodecLooper != nullptr) {
1400         mCodecLooper->stop();
1401         mCodecLooper.clear();
1402     }
1403 
1404     if (mCallbackLooper != nullptr) {
1405         mCallbackLooper->stop();
1406         mCallbackLooper.clear();
1407     }
1408 
1409     mAsyncNotify.clear();
1410     mFormat.clear();
1411 }
1412 
1413 // Return the size of the complete list of app segment, 0 indicates failure
findAppSegmentsSize(const uint8_t * appSegmentBuffer,size_t maxSize,size_t * app1SegmentSize)1414 size_t HeicCompositeStream::findAppSegmentsSize(const uint8_t* appSegmentBuffer,
1415         size_t maxSize, size_t *app1SegmentSize) {
1416     if (appSegmentBuffer == nullptr || app1SegmentSize == nullptr) {
1417         ALOGE("%s: Invalid input appSegmentBuffer %p, app1SegmentSize %p",
1418                 __FUNCTION__, appSegmentBuffer, app1SegmentSize);
1419         return 0;
1420     }
1421 
1422     size_t expectedSize = 0;
1423     // First check for EXIF transport header at the end of the buffer
1424     const uint8_t *header = appSegmentBuffer + (maxSize - sizeof(struct CameraBlob));
1425     const struct CameraBlob *blob = (const struct CameraBlob*)(header);
1426     if (blob->blobId != CameraBlobId::JPEG_APP_SEGMENTS) {
1427         ALOGE("%s: Invalid EXIF blobId %hu", __FUNCTION__, blob->blobId);
1428         return 0;
1429     }
1430 
1431     expectedSize = blob->blobSize;
1432     if (expectedSize == 0 || expectedSize > maxSize - sizeof(struct CameraBlob)) {
1433         ALOGE("%s: Invalid blobSize %zu.", __FUNCTION__, expectedSize);
1434         return 0;
1435     }
1436 
1437     uint32_t totalSize = 0;
1438 
1439     // Verify APP1 marker (mandatory)
1440     uint8_t app1Marker[] = {0xFF, 0xE1};
1441     if (memcmp(appSegmentBuffer, app1Marker, sizeof(app1Marker))) {
1442         ALOGE("%s: Invalid APP1 marker: %x, %x", __FUNCTION__,
1443                 appSegmentBuffer[0], appSegmentBuffer[1]);
1444         return 0;
1445     }
1446     totalSize += sizeof(app1Marker);
1447 
1448     uint16_t app1Size = (static_cast<uint16_t>(appSegmentBuffer[totalSize]) << 8) +
1449             appSegmentBuffer[totalSize+1];
1450     totalSize += app1Size;
1451 
1452     ALOGV("%s: Expected APP segments size %zu, APP1 segment size %u",
1453             __FUNCTION__, expectedSize, app1Size);
1454     while (totalSize < expectedSize) {
1455         if (appSegmentBuffer[totalSize] != 0xFF ||
1456                 appSegmentBuffer[totalSize+1] <= 0xE1 ||
1457                 appSegmentBuffer[totalSize+1] > 0xEF) {
1458             // Invalid APPn marker
1459             ALOGE("%s: Invalid APPn marker: %x, %x", __FUNCTION__,
1460                     appSegmentBuffer[totalSize], appSegmentBuffer[totalSize+1]);
1461             return 0;
1462         }
1463         totalSize += 2;
1464 
1465         uint16_t appnSize = (static_cast<uint16_t>(appSegmentBuffer[totalSize]) << 8) +
1466                 appSegmentBuffer[totalSize+1];
1467         totalSize += appnSize;
1468     }
1469 
1470     if (totalSize != expectedSize) {
1471         ALOGE("%s: Invalid JPEG APP segments: totalSize %u vs expected size %zu",
1472                 __FUNCTION__, totalSize, expectedSize);
1473         return 0;
1474     }
1475 
1476     *app1SegmentSize = app1Size + sizeof(app1Marker);
1477     return expectedSize;
1478 }
1479 
copyOneYuvTile(sp<MediaCodecBuffer> & codecBuffer,const CpuConsumer::LockedBuffer & yuvBuffer,size_t top,size_t left,size_t width,size_t height)1480 status_t HeicCompositeStream::copyOneYuvTile(sp<MediaCodecBuffer>& codecBuffer,
1481         const CpuConsumer::LockedBuffer& yuvBuffer,
1482         size_t top, size_t left, size_t width, size_t height) {
1483     ATRACE_CALL();
1484 
1485     // Get stride information for codecBuffer
1486     sp<ABuffer> imageData;
1487     if (!codecBuffer->meta()->findBuffer("image-data", &imageData)) {
1488         ALOGE("%s: Codec input buffer is not for image data!", __FUNCTION__);
1489         return BAD_VALUE;
1490     }
1491     if (imageData->size() != sizeof(MediaImage2)) {
1492         ALOGE("%s: Invalid codec input image size %zu, expected %zu",
1493                 __FUNCTION__, imageData->size(), sizeof(MediaImage2));
1494         return BAD_VALUE;
1495     }
1496     MediaImage2* imageInfo = reinterpret_cast<MediaImage2*>(imageData->data());
1497     if (imageInfo->mType != MediaImage2::MEDIA_IMAGE_TYPE_YUV ||
1498             imageInfo->mBitDepth != 8 ||
1499             imageInfo->mBitDepthAllocated != 8 ||
1500             imageInfo->mNumPlanes != 3) {
1501         ALOGE("%s: Invalid codec input image info: mType %d, mBitDepth %d, "
1502                 "mBitDepthAllocated %d, mNumPlanes %d!", __FUNCTION__,
1503                 imageInfo->mType, imageInfo->mBitDepth,
1504                 imageInfo->mBitDepthAllocated, imageInfo->mNumPlanes);
1505         return BAD_VALUE;
1506     }
1507 
1508     ALOGV("%s: yuvBuffer chromaStep %d, chromaStride %d",
1509             __FUNCTION__, yuvBuffer.chromaStep, yuvBuffer.chromaStride);
1510     ALOGV("%s: U offset %u, V offset %u, U rowInc %d, V rowInc %d, U colInc %d, V colInc %d",
1511             __FUNCTION__, imageInfo->mPlane[MediaImage2::U].mOffset,
1512             imageInfo->mPlane[MediaImage2::V].mOffset,
1513             imageInfo->mPlane[MediaImage2::U].mRowInc,
1514             imageInfo->mPlane[MediaImage2::V].mRowInc,
1515             imageInfo->mPlane[MediaImage2::U].mColInc,
1516             imageInfo->mPlane[MediaImage2::V].mColInc);
1517 
1518     // Y
1519     for (auto row = top; row < top+height; row++) {
1520         uint8_t *dst = codecBuffer->data() + imageInfo->mPlane[MediaImage2::Y].mOffset +
1521                 imageInfo->mPlane[MediaImage2::Y].mRowInc * (row - top);
1522         mFnCopyRow(yuvBuffer.data+row*yuvBuffer.stride+left, dst, width);
1523     }
1524 
1525     // U is Cb, V is Cr
1526     bool codecUPlaneFirst = imageInfo->mPlane[MediaImage2::V].mOffset >
1527             imageInfo->mPlane[MediaImage2::U].mOffset;
1528     uint32_t codecUvOffsetDiff = codecUPlaneFirst ?
1529             imageInfo->mPlane[MediaImage2::V].mOffset - imageInfo->mPlane[MediaImage2::U].mOffset :
1530             imageInfo->mPlane[MediaImage2::U].mOffset - imageInfo->mPlane[MediaImage2::V].mOffset;
1531     bool isCodecUvSemiplannar = (codecUvOffsetDiff == 1) &&
1532             (imageInfo->mPlane[MediaImage2::U].mRowInc ==
1533             imageInfo->mPlane[MediaImage2::V].mRowInc) &&
1534             (imageInfo->mPlane[MediaImage2::U].mColInc == 2) &&
1535             (imageInfo->mPlane[MediaImage2::V].mColInc == 2);
1536     bool isCodecUvPlannar =
1537             ((codecUPlaneFirst && codecUvOffsetDiff >=
1538                     imageInfo->mPlane[MediaImage2::U].mRowInc * imageInfo->mHeight/2) ||
1539             ((!codecUPlaneFirst && codecUvOffsetDiff >=
1540                     imageInfo->mPlane[MediaImage2::V].mRowInc * imageInfo->mHeight/2))) &&
1541             imageInfo->mPlane[MediaImage2::U].mColInc == 1 &&
1542             imageInfo->mPlane[MediaImage2::V].mColInc == 1;
1543     bool cameraUPlaneFirst = yuvBuffer.dataCr > yuvBuffer.dataCb;
1544 
1545     if (isCodecUvSemiplannar && yuvBuffer.chromaStep == 2 &&
1546             (codecUPlaneFirst == cameraUPlaneFirst)) {
1547         // UV semiplannar
1548         // The chrome plane could be either Cb first, or Cr first. Take the
1549         // smaller address.
1550         uint8_t *src = std::min(yuvBuffer.dataCb, yuvBuffer.dataCr);
1551         MediaImage2::PlaneIndex dstPlane = codecUvOffsetDiff > 0 ? MediaImage2::U : MediaImage2::V;
1552         for (auto row = top/2; row < (top+height)/2; row++) {
1553             uint8_t *dst = codecBuffer->data() + imageInfo->mPlane[dstPlane].mOffset +
1554                     imageInfo->mPlane[dstPlane].mRowInc * (row - top/2);
1555             mFnCopyRow(src+row*yuvBuffer.chromaStride+left, dst, width);
1556         }
1557     } else if (isCodecUvPlannar && yuvBuffer.chromaStep == 1) {
1558         // U plane
1559         for (auto row = top/2; row < (top+height)/2; row++) {
1560             uint8_t *dst = codecBuffer->data() + imageInfo->mPlane[MediaImage2::U].mOffset +
1561                     imageInfo->mPlane[MediaImage2::U].mRowInc * (row - top/2);
1562             mFnCopyRow(yuvBuffer.dataCb+row*yuvBuffer.chromaStride+left/2, dst, width/2);
1563         }
1564 
1565         // V plane
1566         for (auto row = top/2; row < (top+height)/2; row++) {
1567             uint8_t *dst = codecBuffer->data() + imageInfo->mPlane[MediaImage2::V].mOffset +
1568                     imageInfo->mPlane[MediaImage2::V].mRowInc * (row - top/2);
1569             mFnCopyRow(yuvBuffer.dataCr+row*yuvBuffer.chromaStride+left/2, dst, width/2);
1570         }
1571     } else {
1572         // Convert between semiplannar and plannar, or when UV orders are
1573         // different.
1574         uint8_t *dst = codecBuffer->data();
1575         for (auto row = top/2; row < (top+height)/2; row++) {
1576             for (auto col = left/2; col < (left+width)/2; col++) {
1577                 // U/Cb
1578                 int32_t dstIndex = imageInfo->mPlane[MediaImage2::U].mOffset +
1579                         imageInfo->mPlane[MediaImage2::U].mRowInc * (row - top/2) +
1580                         imageInfo->mPlane[MediaImage2::U].mColInc * (col - left/2);
1581                 int32_t srcIndex = row * yuvBuffer.chromaStride + yuvBuffer.chromaStep * col;
1582                 dst[dstIndex] = yuvBuffer.dataCb[srcIndex];
1583 
1584                 // V/Cr
1585                 dstIndex = imageInfo->mPlane[MediaImage2::V].mOffset +
1586                         imageInfo->mPlane[MediaImage2::V].mRowInc * (row - top/2) +
1587                         imageInfo->mPlane[MediaImage2::V].mColInc * (col - left/2);
1588                 srcIndex = row * yuvBuffer.chromaStride + yuvBuffer.chromaStep * col;
1589                 dst[dstIndex] = yuvBuffer.dataCr[srcIndex];
1590             }
1591         }
1592     }
1593     return OK;
1594 }
1595 
initCopyRowFunction(int32_t width)1596 void HeicCompositeStream::initCopyRowFunction(int32_t width)
1597 {
1598     using namespace libyuv;
1599 
1600     mFnCopyRow = CopyRow_C;
1601 #if defined(HAS_COPYROW_SSE2)
1602     if (TestCpuFlag(kCpuHasSSE2)) {
1603         mFnCopyRow = IS_ALIGNED(width, 32) ? CopyRow_SSE2 : CopyRow_Any_SSE2;
1604     }
1605 #endif
1606 #if defined(HAS_COPYROW_AVX)
1607     if (TestCpuFlag(kCpuHasAVX)) {
1608         mFnCopyRow = IS_ALIGNED(width, 64) ? CopyRow_AVX : CopyRow_Any_AVX;
1609     }
1610 #endif
1611 #if defined(HAS_COPYROW_ERMS)
1612     if (TestCpuFlag(kCpuHasERMS)) {
1613         mFnCopyRow = CopyRow_ERMS;
1614     }
1615 #endif
1616 #if defined(HAS_COPYROW_NEON)
1617     if (TestCpuFlag(kCpuHasNEON)) {
1618         mFnCopyRow = IS_ALIGNED(width, 32) ? CopyRow_NEON : CopyRow_Any_NEON;
1619     }
1620 #endif
1621 #if defined(HAS_COPYROW_MIPS)
1622     if (TestCpuFlag(kCpuHasMIPS)) {
1623         mFnCopyRow = CopyRow_MIPS;
1624     }
1625 #endif
1626 }
1627 
calcAppSegmentMaxSize(const CameraMetadata & info)1628 size_t HeicCompositeStream::calcAppSegmentMaxSize(const CameraMetadata& info) {
1629     camera_metadata_ro_entry_t entry = info.find(ANDROID_HEIC_INFO_MAX_JPEG_APP_SEGMENTS_COUNT);
1630     size_t maxAppsSegment = 1;
1631     if (entry.count > 0) {
1632         maxAppsSegment = entry.data.u8[0] < 1 ? 1 :
1633                 entry.data.u8[0] > 16 ? 16 : entry.data.u8[0];
1634     }
1635     return maxAppsSegment * (2 + 0xFFFF) + sizeof(struct CameraBlob);
1636 }
1637 
updateCodecQualityLocked(int32_t quality)1638 void HeicCompositeStream::updateCodecQualityLocked(int32_t quality) {
1639     if (quality != mQuality) {
1640         sp<AMessage> qualityParams = new AMessage;
1641         qualityParams->setInt32(PARAMETER_KEY_VIDEO_BITRATE, quality);
1642         status_t res = mCodec->setParameters(qualityParams);
1643         if (res != OK) {
1644             ALOGE("%s: Failed to set codec quality: %s (%d)",
1645                     __FUNCTION__, strerror(-res), res);
1646         } else {
1647             mQuality = quality;
1648         }
1649     }
1650 }
1651 
threadLoop()1652 bool HeicCompositeStream::threadLoop() {
1653     int64_t frameNumber = -1;
1654     bool newInputAvailable = false;
1655 
1656     {
1657         Mutex::Autolock l(mMutex);
1658         if (mErrorState) {
1659             // In case we landed in error state, return any pending buffers and
1660             // halt all further processing.
1661             compilePendingInputLocked();
1662             releaseInputFramesLocked();
1663             return false;
1664         }
1665 
1666 
1667         while (!newInputAvailable) {
1668             compilePendingInputLocked();
1669             newInputAvailable = getNextReadyInputLocked(&frameNumber);
1670 
1671             if (!newInputAvailable) {
1672                 auto failingFrameNumber = getNextFailingInputLocked();
1673                 if (failingFrameNumber >= 0) {
1674                     releaseInputFrameLocked(failingFrameNumber,
1675                             &mPendingInputFrames[failingFrameNumber]);
1676 
1677                     // It's okay to remove the entry from mPendingInputFrames
1678                     // because:
1679                     // 1. Only one internal stream (main input) is critical in
1680                     // backing the output stream.
1681                     // 2. If captureResult/appSegment arrives after the entry is
1682                     // removed, they are simply skipped.
1683                     mPendingInputFrames.erase(failingFrameNumber);
1684                     if (mPendingInputFrames.size() == 0) {
1685                         markTrackerIdle();
1686                     }
1687                     return true;
1688                 }
1689 
1690                 auto ret = mInputReadyCondition.waitRelative(mMutex, kWaitDuration);
1691                 if (ret == TIMED_OUT) {
1692                     return true;
1693                 } else if (ret != OK) {
1694                     ALOGE("%s: Timed wait on condition failed: %s (%d)", __FUNCTION__,
1695                             strerror(-ret), ret);
1696                     return false;
1697                 }
1698             }
1699         }
1700     }
1701 
1702     auto res = processInputFrame(frameNumber, mPendingInputFrames[frameNumber]);
1703     Mutex::Autolock l(mMutex);
1704     if (res != OK) {
1705         ALOGE("%s: Failed processing frame with timestamp: %" PRIu64 ", frameNumber: %"
1706                 PRId64 ": %s (%d)", __FUNCTION__, mPendingInputFrames[frameNumber].timestamp,
1707                 frameNumber, strerror(-res), res);
1708         mPendingInputFrames[frameNumber].error = true;
1709     }
1710 
1711     releaseInputFramesLocked();
1712 
1713     return true;
1714 }
1715 
flagAnExifErrorFrameNumber(int64_t frameNumber)1716 void HeicCompositeStream::flagAnExifErrorFrameNumber(int64_t frameNumber) {
1717     Mutex::Autolock l(mMutex);
1718     mExifErrorFrameNumbers.emplace(frameNumber);
1719     mInputReadyCondition.signal();
1720 }
1721 
onStreamBufferError(const CaptureResultExtras & resultExtras)1722 bool HeicCompositeStream::onStreamBufferError(const CaptureResultExtras& resultExtras) {
1723     bool res = false;
1724     int64_t frameNumber = resultExtras.frameNumber;
1725 
1726     // Buffer errors concerning internal composite streams should not be directly visible to
1727     // camera clients. They must only receive a single buffer error with the public composite
1728     // stream id.
1729     if (resultExtras.errorStreamId == mAppSegmentStreamId) {
1730         ALOGV("%s: APP_SEGMENT frameNumber: %" PRId64, __FUNCTION__, frameNumber);
1731         flagAnExifErrorFrameNumber(frameNumber);
1732         res = true;
1733     } else if (resultExtras.errorStreamId == mMainImageStreamId) {
1734         ALOGV("%s: YUV frameNumber: %" PRId64, __FUNCTION__, frameNumber);
1735         flagAnErrorFrameNumber(frameNumber);
1736         res = true;
1737     }
1738 
1739     return res;
1740 }
1741 
onResultError(const CaptureResultExtras & resultExtras)1742 void HeicCompositeStream::onResultError(const CaptureResultExtras& resultExtras) {
1743     // For result error, since the APPS_SEGMENT buffer already contains EXIF,
1744     // simply skip using the capture result metadata to override EXIF.
1745     Mutex::Autolock l(mMutex);
1746 
1747     int64_t timestamp = -1;
1748     for (const auto& fn : mSettingsByFrameNumber) {
1749         if (fn.first == resultExtras.frameNumber) {
1750             timestamp = fn.second.timestamp;
1751             break;
1752         }
1753     }
1754     if (timestamp == -1) {
1755         for (const auto& inputFrame : mPendingInputFrames) {
1756             if (inputFrame.first == resultExtras.frameNumber) {
1757                 timestamp = inputFrame.second.timestamp;
1758                 break;
1759             }
1760         }
1761     }
1762 
1763     if (timestamp == -1) {
1764         ALOGE("%s: Failed to find shutter timestamp for result error!", __FUNCTION__);
1765         return;
1766     }
1767 
1768     mCaptureResults.emplace(timestamp, std::make_tuple(resultExtras.frameNumber, CameraMetadata()));
1769     ALOGV("%s: timestamp %" PRId64 ", frameNumber %" PRId64, __FUNCTION__,
1770             timestamp, resultExtras.frameNumber);
1771     mInputReadyCondition.signal();
1772 }
1773 
onRequestError(const CaptureResultExtras & resultExtras)1774 void HeicCompositeStream::onRequestError(const CaptureResultExtras& resultExtras) {
1775     auto frameNumber = resultExtras.frameNumber;
1776     ALOGV("%s: frameNumber: %" PRId64, __FUNCTION__, frameNumber);
1777     Mutex::Autolock l(mMutex);
1778     auto numRequests = mSettingsByFrameNumber.erase(frameNumber);
1779     if (numRequests == 0) {
1780         // Pending request has been populated into mPendingInputFrames
1781         mErrorFrameNumbers.emplace(frameNumber);
1782         mInputReadyCondition.signal();
1783     } else {
1784         // REQUEST_ERROR was received without onShutter.
1785     }
1786 }
1787 
markTrackerIdle()1788 void HeicCompositeStream::markTrackerIdle() {
1789     sp<StatusTracker> statusTracker = mStatusTracker.promote();
1790     if (statusTracker != nullptr) {
1791         statusTracker->markComponentIdle(mStatusId, Fence::NO_FENCE);
1792         ALOGV("%s: Mark component as idle", __FUNCTION__);
1793     }
1794 }
1795 
onMessageReceived(const sp<AMessage> & msg)1796 void HeicCompositeStream::CodecCallbackHandler::onMessageReceived(const sp<AMessage> &msg) {
1797     sp<HeicCompositeStream> parent = mParent.promote();
1798     if (parent == nullptr) return;
1799 
1800     switch (msg->what()) {
1801         case kWhatCallbackNotify: {
1802              int32_t cbID;
1803              if (!msg->findInt32("callbackID", &cbID)) {
1804                  ALOGE("kWhatCallbackNotify: callbackID is expected.");
1805                  break;
1806              }
1807 
1808              ALOGV("kWhatCallbackNotify: cbID = %d", cbID);
1809 
1810              switch (cbID) {
1811                  case MediaCodec::CB_INPUT_AVAILABLE: {
1812                      int32_t index;
1813                      if (!msg->findInt32("index", &index)) {
1814                          ALOGE("CB_INPUT_AVAILABLE: index is expected.");
1815                          break;
1816                      }
1817                      parent->onHeicInputFrameAvailable(index);
1818                      break;
1819                  }
1820 
1821                  case MediaCodec::CB_OUTPUT_AVAILABLE: {
1822                      int32_t index;
1823                      size_t offset;
1824                      size_t size;
1825                      int64_t timeUs;
1826                      int32_t flags;
1827 
1828                      if (!msg->findInt32("index", &index)) {
1829                          ALOGE("CB_OUTPUT_AVAILABLE: index is expected.");
1830                          break;
1831                      }
1832                      if (!msg->findSize("offset", &offset)) {
1833                          ALOGE("CB_OUTPUT_AVAILABLE: offset is expected.");
1834                          break;
1835                      }
1836                      if (!msg->findSize("size", &size)) {
1837                          ALOGE("CB_OUTPUT_AVAILABLE: size is expected.");
1838                          break;
1839                      }
1840                      if (!msg->findInt64("timeUs", &timeUs)) {
1841                          ALOGE("CB_OUTPUT_AVAILABLE: timeUs is expected.");
1842                          break;
1843                      }
1844                      if (!msg->findInt32("flags", &flags)) {
1845                          ALOGE("CB_OUTPUT_AVAILABLE: flags is expected.");
1846                          break;
1847                      }
1848 
1849                      CodecOutputBufferInfo bufferInfo = {
1850                          index,
1851                          (int32_t)offset,
1852                          (int32_t)size,
1853                          timeUs,
1854                          (uint32_t)flags};
1855 
1856                      parent->onHeicOutputFrameAvailable(bufferInfo);
1857                      break;
1858                  }
1859 
1860                  case MediaCodec::CB_OUTPUT_FORMAT_CHANGED: {
1861                      sp<AMessage> format;
1862                      if (!msg->findMessage("format", &format)) {
1863                          ALOGE("CB_OUTPUT_FORMAT_CHANGED: format is expected.");
1864                          break;
1865                      }
1866                      // Here format is MediaCodec's internal copy of output format.
1867                      // Make a copy since onHeicFormatChanged() might modify it.
1868                      sp<AMessage> formatCopy;
1869                      if (format != nullptr) {
1870                          formatCopy = format->dup();
1871                      }
1872                      parent->onHeicFormatChanged(formatCopy);
1873                      break;
1874                  }
1875 
1876                  case MediaCodec::CB_ERROR: {
1877                      status_t err;
1878                      int32_t actionCode;
1879                      AString detail;
1880                      if (!msg->findInt32("err", &err)) {
1881                          ALOGE("CB_ERROR: err is expected.");
1882                          break;
1883                      }
1884                      if (!msg->findInt32("action", &actionCode)) {
1885                          ALOGE("CB_ERROR: action is expected.");
1886                          break;
1887                      }
1888                      msg->findString("detail", &detail);
1889                      ALOGE("Codec reported error(0x%x), actionCode(%d), detail(%s)",
1890                              err, actionCode, detail.c_str());
1891 
1892                      parent->onHeicCodecError();
1893                      break;
1894                  }
1895 
1896                  default: {
1897                      ALOGE("kWhatCallbackNotify: callbackID(%d) is unexpected.", cbID);
1898                      break;
1899                  }
1900              }
1901              break;
1902         }
1903 
1904         default:
1905             ALOGE("shouldn't be here");
1906             break;
1907     }
1908 }
1909 
1910 }; // namespace camera3
1911 }; // namespace android
1912